Meet our team

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Dr. Donald Hillock, DDS. General Dentist Read Bio

Dr. Hillock attended Jesuit High School in Sacramento, he then moved on to the University of the Pacific where he received his Bachelors in Biology in 1978. He continued his studies by attending The University of the Pacific Dental School where he graduated in 1981 with his Doctor of Dental Surgery Degree. Upon graduation, he then moved to Modesto in 1990 where he has built and expanded on his work for his patients. He travels on a regular basis to participate in continuing education. Dr. Hil...Read More

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Dr. Orianna Sarkissian, DDS. Associate Dentist Read Bio

Dr. Sarkissian received her dental education at Meharry Medical College School of Dentistry in Nashville, TN. She completed a General Practice Residency Program at Loyola University Medical Center in Maywood, IL. Dr. Sarkissian is a member of the American Dental Association, the Academy of General Dentistry, the California Dental Association, and the Illinois State Dental Society. Dr. Sarkissian utilizes a conservative approach to dentistry and believes that good communication and patient edu...Read More

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Emma Registered Dental Hygienist, 2013 Read Bio

Hello, my name is Emma Hernandez. I am a Registered Dental Hygienist. I have been a hygienist since 2005. Before that, I was a Registered Dental Assistant in Extended Functions. I enjoy many things such as; spending time with family and friends, gardening, taking long walks, and baking.

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Monica Registered Dental Hygienist, 2018 Read Bio

Hi, my name is Monica, I have been a dental hygienist for 3 years. I grew up in Turlock California and went to school in Aptos California for my hygiene degree. I grew up loving the dental office and having such a great experience inspired me to do what I do now. For fun, I love anything outside, hiking, wake-boarding, snowboarding, etc. I also love sports, especially football. I am a diehard Broncos fan! I am very fortunate to love what I do and still enjoy living life.

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Val Registered Dental Hygienist
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Cathy Registered Dental Assistant, 2012 Read Bio

Meet Cathy: she joined our dental team in 2012 and brings with her 30 years of experience. She states that she has no plans of retiring soon as she thoroughly enjoys what she does. When not in the office creating beautiful smiles, she is out on the ranch playing with her horses.

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Norma Registered Dental Assistant, 2016 Read Bio

Hi, my name is Norma, I’ve been a registered dental assistant for over 12 years and I thoroughly enjoy and I take great pride in what I do. I enjoy working at Hillock Family Dental and I enjoy working with this awesome staff, they are my second family and we actually enjoy doing things together outside of work. In my spare time, I enjoy being creative. My hobbies include miniature gardening and photography; among other things. I enjoy spending time with my family and my fur-kids. I have ...Read More

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Lupita Registered Dental Assistant, 2019 Read Bio

Hello, my name is Lupita. I am a Registered Dental Assistant. I have been in the dental field for 15 years. Helping patients get their smiles makes me love what I do. Working at Hillock Family Dental has been great. It is like being a part of a big family. In my spare time, I enjoy making memories with my two children.

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Cristina Scheduling Coordinator, 2017 Read Bio

Hello, my name is Cristina. I have been in the dental field since 2012. I have been blessed to become part of Hillock Family Dental. As Scheduling Coordinator, it is my responsibility to greet patients when they enter and leave the office, schedule appointments, and keep the days running smooth. I am committed to making everyone's experience in our office an amazing one! We strive to make sure every patient is comfortable with their treatment and that they are at ease at their appointments. ...Read More

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Tifani Registered Dental Assistant, 2017 Read Bio

Hi my name is Tifani and I have been a dental assistant for 10 years and I love working in the dental field! It's always a pleasure getting to know our patients and working with a great dental team!!! Seeing patients smile is what makes my job awesome! In my free time, I enjoy spending time with my husband, family, and friends.

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Toni Dental Assistant, 2017 Read Bio

Hello, my name is Antoinette, friends call me Toni. I have been in the dental field for 13 years. I love helping people create a beautiful smile. I enjoy working at Hillock Family Dental and getting to work with such an amazing staff, we are one big family. In my spare time, I enjoy spending time with my husband and daughter and building classic cars. My hobbies are cooking, making blankets for friends and family, building classic cars, and hosting get-togethers.

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Patty Insurance Coordinator, 2016 Read Bio

Hello, my name is Patty: I have been in the dental field for 19 years. As the Insurance Coordinator, I strive to make your first appointment fun, carefree and educational. I love getting to know our patients and helping to make a beautiful smile fit into their budget. Our practice is a really fun place and I want all of our patients to be as comfortable as possible when they're in our office, so I always try to make them laugh. The "patient experience" at Hillock Family Dental is unlike ...Read More

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Regina Hygiene Coordinator (RDA), 2008 Read Bio

Hello, my name is Regina: I am a native, born and raised in Modesto. I graduated with my Associate's Degree in Dental Assisting from Modesto Junior College in 2004. My current role is that of Team Lead for our Hygiene Department. I love being an integral part of our patient's lives. I am married to my husband Danny and together we have a beautiful daughter named Denaya. In my spare time, I love spending time with our quickly growing daughter.

Patient Satisfaction

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Services we provide

At Hillock Family Dental we strive to provide our patients with the best and most complete dental care. Our doctors and staff frequently attend continuing education seminars to learn the latest dental techniques. Here are some of the services we provide, please click here.

Languages Spoken

  • English
  • Hindi
  • Spanish